Link structure for rods
US6394752B1 · kind B1 · utility
Inventor
Key dates
| Filing date | May 26, 2000 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | May 26, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7007
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A link structure for rods is disclosed, the structure includes a link member and two rods. The link member is in the form of a cylinder, and is provided at the middle thereof with a raised annular portion with a larger diameter, two protrusions are provided respectively on the upper and lower portions of the link member. The two rods are connected respectively with the two ends of the link member. The rods are hollow on the connecting ends thereof; the inner diameter of each rod is coincident with the external diameter of the link member. The rods are provided on the peripheries of the connecting ends thereof each with an “L” shaped notch, the protrusions of the link member can be engaged in the “L” shaped notches to connect the two rods to form a longer rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.